LG NP8340 - ELECTRICAL TROUBLESHOOTING GUIDE

3-14
No 19 VA
Is the F901 OK?
Is IC901/ IC902/ ZD901/ ZD903/
D901/ D902/ D933 OK?
Replace F901 (same fuse).
Replace weird one.
Check Inlet Socket and replace it.
YES
YES
YES
NO
NO
ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER SUPPLY ON MAIN BOARD
No 5.2 VA
Is the Vcc of IC805 19 VA?
Is the L803 of IC805 5.2 VA?
Around the parts OK? (RLC)
Check the 19 VA.
Replace the weird one.
Replace IC805
OK
YES
YES
YES
YES
NO
NO
NO